From: Stefan Weil <sw@weilnetz.de>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: "Stefan Weil" <sw@weilnetz.de>,
"Alex Bennée" <alex.bennee@linaro.org>,
qemu-devel@nongnu.org
Subject: [PATCH] tcg/tci: Implement INDEX_op_ld16s_i32
Date: Thu, 28 Jan 2021 03:50:21 +0100 [thread overview]
Message-ID: <20210128025021.2057046-1-sw@weilnetz.de> (raw)
That TCG opcode is used by debian-buster (arm64) running ffmpeg:
qemu-aarch64 /usr/bin/ffmpeg -i theora.mkv theora.webm
Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
---
tcg/tci.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/tcg/tci.c b/tcg/tci.c
index 63d79dac87..615423b06c 100644
--- a/tcg/tci.c
+++ b/tcg/tci.c
@@ -621,7 +621,10 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
tci_write_reg16(regs, t0, *(uint16_t *)(t1 + t2));
break;
case INDEX_op_ld16s_i32:
- TODO();
+ t0 = *tb_ptr++;
+ t1 = tci_read_r(regs, &tb_ptr);
+ t2 = tci_read_s32(&tb_ptr);
+ tci_write_reg(regs, t0, *(int16_t *)(t1 + t2));
break;
case INDEX_op_ld_i32:
t0 = *tb_ptr++;
--
2.29.2
next reply other threads:[~2021-01-28 2:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-28 2:50 Stefan Weil [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-01-28 2:48 [PATCH] tcg/tci: Implement INDEX_op_ld16s_i32 Stefan Weil
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